ADDENDUM. ADDENDUM #1 DATE: January 30, 2018

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1 ADDENDUM ADDENDUM #1 DATE: January 30, 2018 REFERENCE: Invitation for Bid: S-LB IFB Issue Date: January 11, 2018 Title & Location: Marshall Elementary School Renovation and Addition, Manassas, VA 20112, State Project # ) Architect/Engineer: Blitz Associates, P.A. Sealed Bid Due Date and Time: February 7, 2:00 p.m. THIS ADDENDUM IS BEING ISSUED BY THE ARCHITECT WITH THE AUTHORIZATION OF THE PWCS PURCHASING OFFICE TO ALL POTENTIAL BIDDERS WHO ATTENDED THE MANDATORY PRE-BID CONFERENCE ON JANUARY 16, 2018 AND HAVE ACQUIRED THE DOCUMENTS FROM THE ARCHITECT. THIS ADDENDUM WILL BE PUBLICLY POSTED BY THE PWCS PURCHASING OFFICE THE NEXT BUSINESS DAY PWCS IS OPEN. THE FOLLOWING CHANGES, ADDITIONS, DELETIONS AND CLARIFICATIONS ARE HEREBY MADE PART OF THE BIDDING REQUIREMENTS AND CONTRACT DOCUMENTS FOR THE ABOVE REFERENCED PROJECT AND SHALL BE TAKEN INTO ACCOUNT IN THE PREPARATION OF ALL BIDS AND THE EXECUTION OF ALL WORK. BIDDERS SHALL ACKNOWLEDGE RECEIPT OF THIS ADDENDUM IN THE APPROPRIATE SPACE ON THE BID FORM. GENERAL: 0.1 Contractor to replace the existing AiPhone (2-Way Security AV Device at Main Entrance) and associated hardware and electronics at Door 000A. See the attached AiPhone Specifications and Installation Directions PROJECT MANUAL SPECIFICATIONS: 1.1 Specification Section PWCS MANUFACTURED PLASTIC LAMINATE CLAD CASEWORK, under paragraph 2.1.A, subject to full compliance with the specifications and drawings, add j. Cabinets By Design, Inc. 1.2 Specification Section UNIT MASONRY, delete paragraph 3.6.D. 1.3 Specification Section PWCS FLUSH WOOD DOORS, change the text in paragraph 2.4.B to read Metal Frames for Light Openings in All Doors:. ADDENDUM #1 TO BID #S-LB PAGE 1 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

2 1.4 Specification Section CONDENSING BOILERS, Paragraph 2.1.C, add subparagraph 4. RBI Futera Fusion Series. DRAWINGS: 2.1 Sheet C 1.4, SITE LEGEND, GENERAL NOTES, AND DETAILS, see attached revised sheet for added BOLLARD DETAIL 2.2 Sheet C 2.1, SITE PLAN, see attached revised sheet for added Waterline Profile for 80 LF of waterline that is to be relocated and: Show re-located waterline location with 3-45 degree bends. Add 2 bollards at kitchen addition, in front of door. Add irrigation meter, valve, tee, irrigation hot box, conduit and Hoffman box location (See electrical drawings) Add irrigation station meter to waterline profile Add irrigation meter detail Change limits of clearing 2.3 Sheet C 3.1, DEMOLITION AND PHASE 1 EROSION AND SEDIMENT CONTROL PLAN, see attached revised sheet for providing 2 additional test pit locations, one at each end of new waterline and: Show portion of waterline to be removed, show portion of waterline to be abandoned in place. Added test pit notes for test its 1, 2, and 3 Added waterline note for removal and abandonment Added legend for waterline to be removed and waterline to be abandoned in place. Change Limits of Clearing Change Silt Fence location Designate Contractor Staging/Storage area with 5 (five) 8 x 40 storage containers. 2.4 Sheet A0.0, ABBREVIATIONS, SYMBOLS, LEGENDS AND GENERAL NOTES, under General Notes, in note #4, change the note to read ALL NEW CONDUITS AND PIPING IN EXISTING WALLS ARE TO BE CONCEALED IN WALLS GENERAL CONTRACTOR TO COORDINATE PATCHING OF ALL WALLS. FLEXIBLE CONDUITS AND PIPING ARE TO BE RUN IN OPEN CMU CELLS TO THE EXTENT POSSIBLE. SEE GENERAL MASONRY WALL NOTE #14 FOR FACE SHELL REPLACEMENT WHERE CONDUITS CAN NOT BE RUN IN OPEN CELLS. 2.5 Sheet A1.1, AREA A FLOOR PLAN DEMOLITION, in Vestibule 000.1, add note: SEE KEYNOTE ON SHEET A2.1 FOR REQUIRED SLAB DEMOLITION 2.6 Sheet A1.5, AREA A REFLECTED CEILING PLAN DEMOLITION, in new Classroom 401, add keynote Sheet A2.2, AREA B, E & ACTVITY RM FLOOR PLANS, in ADDITION FLOOR PLAN ACTIVITY ROOM, in Corridor 500.4, adjacent to the exterior door on the exterior wall, add a note: PROVIDE SEMI-RECESSED FIRE EXTINGUISHER IN WALL WITH CONTROL MOUNTING HEIGHT AT 36 AFF. ADDENDUM #1 TO BID #S-LB PAGE 2 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

3 2.8 Sheet A2.2, AREA B, E & ACTVITY RM FLOOR PLANS, in ADDITION FLOOR PLAN ACTIVITY ROOM, in PE Office 524, add keynote pointing to window to Activity Room. 2.9 Sheet A2.9 ROOF PLAN, add the following MECHANICAL EQUIPMENT SUPPORT NOTE: PROVIDE 2) 8 LONG, 6 X 6 X ¼ THK ALUMINUM TUBES FOR EACH CU (CONDENSING UNIT) SHOWN ON THE MECHANICAL ROOF PLAN. TUBES TO BE SET ON ROOFING SLIP SHEETS AND SET TO SPAN ACROSS TWO ROOF JOISTS. CU TO BE SET WITH SHORT DIMENSION PARALLEL TO TUBES Sheet A7.3, FINISH SCHEDULE, under the FINISH SCHEDULE, under room 545 MEZZANINE, add NOTE 12. Under FINISH SCHEDULE NOTES, add Note 12: FLOOR TO BE PAINTED WITH EPOXY FLOOR PAINT Sheet M1.1, M1.2, M1.3, and M1.4, change General Note 1 to read: REMOVE THE EXISTING DDC BAS CONTROL SYSTEM AND ASSOCIATED WIRING, EQUIPMENT, AND DEVICES Sheet M1.1, M1.2, M1.3, and M1.4, change drawing note 1.E to read: CONTROL VALVE AND ASSOCIATED PIPING UP TO THE SHUT-OFF VALVE, AND WIRING Sheet M1.1, M1.2, M1.3, and M.4, change General Note 2 to read: REFER TO FCU TYPICAL WATER COIL CONNECTION DIAGRAM DETAIL ON DWG M2.6. ALL PIPING AND DEVICES SHOWN UP THE SHUTOFF VALVE SHALL BE PROVIDED BY THE CONTRACTOR ADJUST THE EXISTING FCU RUNOUT PIPING AS NEEDED TO ACCOMMODATE THE CONNECTNO THE NEW FCUs Sheet M2.1, 2.15 Sheet M2.3, 2.16 Sheet M2.4, Add UH-1 in Toilet rooms 201 & 203. Connect to the adjacent HWS & HWR piping above the ceiling with ¾ pipe. Provide shut off valves. Delete the 50cfm supply air (SA) diffuser and associated ductwork from room 105. Add UH-1 in Toilet rooms 412 & 414. Connect to the adjacent HWS & HWR piping above the ceiling with ¾ pipe. Provide shut off valves. The two supply air (SA) diffusers in room 407 shall be VAV THERMAL DIFFUSERS TITUST3SQ-4 or equal. Add UH-1 in Toilet rooms 515 & 517 Connect to the adjacent HWS & HWR piping above the ceiling with ¾ pipe. Provide shut off valves. The supply air (SA) diffuser in room 524 shall be VAV THERMAL DIFFUSER TITUST3SQ-4 or equal Sheet M2.5 and M2.6, add the following General Note: 4. ALL PIPING SHOWN ON THIS DWG IS EXISTING TO REMAIN. ADDENDUM #1 TO BID #S-LB PAGE 3 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

4 2.18 Sheet M5.1 HOT WATER CABINET UNIT HEATER SVCHEDULE, change Blower Motor Voltage to 120V Sheet E0.0, DRAWING LEGEND NEW the verbiage associated with the MDP Symbol with the following EXISTING MAIN DISTRIBUTION PANEL MDP, CAT # SQUARE D, QED 2, CAT# A AND ASSOCIATED C/T CABINET, METER AND ELECTRICAL GROUNDING EQUIPMENT TO REMAIN AND BE MODIFIED. E.C. SHALL MAKE THE REQUIRED MODIFICATIONS PER EXISTING AND NEW MDP SCHEDULES SHOWN ON DWG Sheet E0.0, DRAWING LEGEND NEW continue the verbiage associated with the Cord Reel symbol with the following E.C. SHALL INSTALL THE CORD REEL PER THE DETAIL AND PROVIDE ALL MOUNTING HARDWARE REQUIRED Sheet E0.0, DRAWING LEGEND NEW continue the verbiage associated with the Weather Proof Receptacle symbol with the following WEATHER PROOF ENCLOSURE SHALL BE HUBBEL, TAYMAG, MODEL #ML500GB, EXTRA DUTY, MOUNTED 18 AFG Sheet E0.0, GENERAL NOTES continue the verbiage associated with the GENERAL NOTE #19 with the following E.C. SHALL PROVIDE MEANS OF DISCONNECT AS FOLLOWS: For the FCUs associated with the Hydronic system 20 A, 1P, 120 V motor rated toggle switch. For the FCU s associated with the VRV system 30 A, 2P, 240 V non fused disconnect switch. For the Outside Air Units, OAU, 60 A, 3P, 480 non fused disconnect switch. For the VRV Heat Pumps CU-1 gets 30 A, 3P, 480 V non fused disconnect switch and CU-2 gets two (2) 60 A, 3P, 480 V non fused disconnect switches Sheet E4.3 PANEL Schedule HA, make the following changes: Replace the Circuit Breaker and the feeder shown for RTU-1 with 100 A, 3P, 480 V CB and 3#2AWG+1#8EG in 1.5 EMT Conduit. Replace the Circuit Breaker and the feeder shown for OAU-3 with?0 A, 3P, 480 V CB and 3#10AWF+1#10 EG in.75 EMT Conduit Sheet E4.4 PANEL Schedule HB, make the following changes: Replace the Circuit Breaker and the feeder shown for OAU-2 with 50 A, 3P, 480 V CB and 3#6AWG+1#10EG in 1 EMT Conduit Sheet E4.4 PANEL Schedule HC, make the following changes: Replace the Circuit Breaker and the feeder shown for OAU-1 with?0 A, 3P, 480 V CB and 3#6AWG+1#10EG in 1 EMT Conduit Sheet E0.0, DRAWING LEGEND NEW replace the symbol for the 2 x4 Lighting Fixtures with a rectangle with two (2) horizontal lines in the middle. Same applies to the Emergency and day Light Zone lighting fixtures Sheet E0.0, DRAWING LEGEND NEW Symbol for the photocell, the photocell shall be rated 120 V. ADDENDUM #1 TO BID #S-LB PAGE 4 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

5 2.28 Sheet T0.0, GENERAL NOTES Add General note #11 stating PTZ CAMERAS AND OR FIXED CAMERAS IDENTIFIED TO BE LOCATED AT THE CORNERS OF THE BUILDING SHALL BE INSTALLED USING CORNER MOUNT CAMERA HARDWARE Sheet T0.0, DRAWING NOTES Drawing Note #6 shall be continued with following EXISTING DUCT SMOKE DETECTORS SHALL BE INSTALLED BELOW THE ROOF STRUCTURE Sheet T0.0, DRAWING NOTES Drawing Note #5 - the size of the Fire alarm EMT Conduit shall be Sheet T2.1, AREA A NEW FIRE ALARM SYSTEM PLAN provide specified strobe in Toilet 205.1, provide horn/strobes at ceiling in Lounge 114, Office 103,106,108,115, Workroom 104, Sheet T2.2, AREA B NEW FIRE ALARM SYSTEM PLAN provide 30 fc Horn/Strobe in PE Office 524, add the Wire Guard (WG) symbol at all the Fire Alarm devices in the New Activity Room, FAA Detail - Added is a note reading, SEE SPECIFICATIONS FOR DETAILS AND FINAL APPROVAL PROCESS Sheet T2.3, AREA C NEW FIRE ALARM SYSTEM PLAN - provide Horn/Strobe in following Rooms, Resource 411, Workroom 406, Office 407, provide Strobe in Toilet Room 417.1, disregard wall mounted ceiling in Science Lab Room 505, and Special Ed Room Sheet T2.4, AREA D NEW FIRE ALARM SYSTEM PLAN - Add Wire guard Symbol (WG) at Fire Alarm devices in Multipurpose Rooms 520 & 526, provide Horn/Strobe Symbol in Office Sheet T3.1, AREA A NEW DATA AND INTERCOM PLAN Room 101 Provide Wireless Network Antenna Cat-6 cable drop & Ceiling Speaker. Room 102 Provide Clock, Call switch, & Ceiling Speaker. Room 106 Provide Call switch. Room Provide Call switch. Room 108 Provide Call Switch. Room 109 Provide Call Switch. Room 110 Provide Wireless Network Antenna CAT-6 cable drop. Room 116 Provide Wireless Network Antenna CAT-6 cable drop. Room 119 Provide Wireless Network Antenna CAT-6 cable drop. Room Provide Wireless Network Antenna CAT-6 cable drop. Room Provide Clock & Wireless Network Antenna CAT-6 cable drop. Room 120 Provide Clock, call switch & Wireless Network Antenna CAT-6 cable drop. Room 114 Provide call switch. Room 211 Provide Clock, call switch & Wireless Network Antenna CAT-6 cable drop. ADDENDUM #1 TO BID #S-LB PAGE 5 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

6 2.36 Sheets T3.2, AREA B - NEW DATA AND INTERCOM PLANS Area E- Add Speaker at Corridors, one (1) per corridor. Room 524 P.E. Office provide Speaker, Clock & Call Switch. Room 523 Music- provide Speaker, Clock & Call Switch. Provide Speaker in Corridor Speakers in New Activity Room should be recessed wall mounted. In Closet Replace MATV with AUX Sheets T3.3, AREA C - NEW DATA AND INTERCOM Room Add Clock & Call Switch. Room 411 Add Call Switch. Room 404 Add Call Switch. Room 407 Add Clock. Room Add Clock & Call Switch. Room 509 Add Clock Sheets T3.4, AREA D - NEW DATA AND INTERCOM PLANS Room 539 Add Clock. Room 520 (Multipurpose A) Add Call Switch. Room 537 (Receiving) Add Speaker & Cal Switch. Room 527 (Kitchen) - Add Clock Sheet T4.11 NEW SECURITY SYSTEM PLAN Activity Room Remove PTZ and add fixed Security camera SC at opposite corners of room these two cameras will be wall mounted Sheet T4.11 NEW SECURITY SYSTEM PLAN - Rooms 525 & 526 (Multipurpose)- remove the PTZ and add two fixed Security Cameras (SC) in each space, these cameras will be ceiling mounted opposite corners of the space Sheet T4.11 NEW SECURITY SYSTEM PLAN Mechanical Room Replace the Door Magnet Security Sensor with narrow beam Security Sensor Sheet T4.11 NEW SECURITY SYSTEM PLAN Provide Security System Key Pad at the Entrance of the Security Apartment Sheet T4.11 NEW SECURITY SYSTEM PLAN - Room Equipment Add Door Magnet Security Sensor at the exterior door location Sheet FP1.1 DRAWING NOTE #2 continue the verbiage of Drawing Note #2 with AND THE NEW ACTVITIES ROOM ADDITION. ADDENDUM #1 TO BID #S-LB PAGE 6 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

7 2.45 Addendum Sketch E2.5-1 Provide two (2) GFCI receptacles in a corresponding Hoffman Box enclosures and runs of 2#12AWG+1#12EG in ¾ EMT Conduits as shown, see Addendum Sketch E Sheet E4.2 ONE LINE DIAGRAM DRAWING NOTE #9 The section of the Electrical Grounding Conductor, EGC, of the panel referenced in the note shall be raised to #2AWG. END OF ADDENDUM #1 TO PWCS BID #S-LB ADDENDUM #1 TO BID #S-LB PAGE 7 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

8 AiPhone Specifications and Installation Directions: Door hardware to be the following hardware set 1E.2. Hardware Set 1E.2 (Entry Door x Existing Automatic Operator x AiPhone x Card Reader-MD) Each opening to receive 1 ea Pivots 117-1/2-626 (Rix) 1 ea Intermediate Pivot M (Rix) 1 ea Exit Device HK-8804 x 826 x TB-US32D (Sar) 1 ea Wall Prox Card Reader 4293 Card Reader (Sar) 1 ea Power Supply AQD3 (Sec) 1 ea Plug in Buzzer 2006M (HES) 2 ea Time delay relay 10MC25 (BEA) 1 ea Press Wall switch 10PBS451 x 10BOX45SQSM (BEA) 1 ea Analog Receiver 10R300 (BEA) 1 ea Miniature Transmitter 10T300MINIPB (BEA) 1 ea Armored Loop K-DL38A-18 (Kee) 1 ea Kick Plate K x 2 LDW x B4E x TEK - US32D (Roc) 1 ea Threshold 272A - Door Width x MS & ES25 (Pem) 1 set Weather Stripping 316AS - Door Width x Height x TEK (Pem) 1 ea Door Bottom Sweep 18061CNB - Door Width x TEK (Pem) Note to General Contractor & Door-Hardware Distributor Reuse the existing automatic door operator. AiPhone to be per the attached specification: See also attached AiPhone Door Entry Overall System Layout with Conductor Count for wiring diagram and additional equipment requirements. Door hardware supplier is to provide accessible door hardware as specified above. Door installer is to install all door hardware along with door operator and R300 Exterior Button Receiver. All other door hardware set electronic components are to be turned over to Low Voltage Contractor who is to provide all additional specified electronic equipment and wiring and install and program the equipment as specified.

9 SECTION PWCS IP NETWORK COMPATIBLE INTERCOM PART 1 GENERAL 1.1 SECTION INCLUDES A. IP Video Intercom. (Aiphone IX Series) 1.2 RELATED SECTIONS A. Section PWCS Local Area Network Cabling. 1.3 REFERENCES A. American National Standards Institute (ANSI/TIA/EIA) Commercial Building Telecommunications Cabling Standard. B. International Organization for Standards (ISO) 9001: Quality Management Systems - Requirements. 1.4 SYSTEM DESCRIPTION A. IP Network Compatible Video Intercom System: A network-based communication and security system featuring video entry security. All units in the systems shall be able to unlock doors remotely on a network and communicate using a PoE network. 1. Power Source: Power over Ethernet (802.3af). 2. Network Interface: 10 BASE-T / 100 BASE-TX Ethernet (RJ-45). 3. Network Protocols: IPv4, IPv6, TCP, UDP, SIP, HTTP, HTTPS, MJPEG, RTSP, RTP, RTCP, IGMP, MLD, SMTP, DHCP, NTP, DNS. 4. Bandwidth Usage: a. G.711: 64Kbps x 2 per video call. b. 64Kbps per monitor. c. H.264: 24Kbps ~ 2,048Kbps. 5. Communication: Hands-free (VOX), push-to-talk (simplex), or handset (full-duplex). 6. Video Display: 3-1/2 inches (89 mm) color LCD. 7. Camera: Type: a. 1/4 inch (6 mm) color CMOS. b. View Area: 2 feet 2 inches (660 mm) vertical x 3 feet 1 inch (940 mm) horizontal at 20 inches (508 mm). 8. Video Stream: ONVIF Profile S. 9. Door Release: RY-IP44 with 4 multipurpose relays. 10. Wire Type: CAT Distance: a. Door Station or RA Station to Network Node: 330 feet (100 meters). b. Master Station to Network Node: 330 feet (100 meters). 1.5 SUBMITTALS A. Submit under provisions of Section PWCS - Submittals. B. Product Data: Manufacturer's data sheets on each product to be used, including: 1. Preparation instructions and recommendations. 2. Storage and handling requirements and recommendations. 3. Installation methods. C. Shop Drawings: Submit the following: 1. Wiring Diagrams: Indicate wiring for each item of equipment and interconnections MASTER /1 Revised 01/30/18

10 SECTION PWCS IP NETWORK COMPATIBLE INTERCOM MASTER /2 Revised 01/30/18 between items of equipment. 2. Include manufacturer's names, model numbers, ratings, power requirements, equipment layout, device arrangement, complete wiring point-to-point diagrams, and conduit layouts. D. Installation and Operation Manuals: 1. Submit manufacturer's installation and operation manual, including operation instructions and component wiring diagrams. 2. Provide detailed information required for Owner to properly operate equipment. E. Warranty: Submit manufacturer's standard warranty. 1.6 QUALITY ASSURANCE A. Installer Qualifications: Factory trained and experienced with system installations of scope and size required for the Project. 1.7 DELIVERY, STORAGE, AND HANDLING A. Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying product name and manufacturer. B. Storage: Store materials in clean, dry area indoors in accordance with manufacturer's instructions. C. Handling: Protect materials during handling and installation to prevent damage. 1.8 PROJECT CONDITIONS A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits. PART 2 PRODUCTS 2.1 MANUFACTURERS A. Acceptable Manufacturer: Aiphone Corporation B. Substitutions: Not permitted. C. IP Video Intercom System: IX Series Intercom System as manufactured by Aiphone Corporation. 2.2 SYSTEM DESIGN A. Master Stations: Provide 3 master stations. B. Audio Video Door Station: 1. Model IX-DF If Flush Mounting Required: Provide 1. C. Provide Selective Door/Gate Release using RY-IP44 D. Provide Switch 2.3 FUNCTIONAL COMPONENTS:

11 SECTION PWCS IP NETWORK COMPATIBLE INTERCOM A. As indicated on the drawings or as required to complete system. 1. Video Master Station Model IX-MV: a. An IP addressable video master station with a 3.5 inch (89 mm) color LCD monitor. It can be wall or desk mounted (desk stand included). The IX-MV offers handset (duplex) and hands-free (VOX/PTT) communication and call up to 500 other IX units. It connects directly to a network using CAT-6 cable. This station requires a 802.3af compliant Power-over-Ethernet network. 2. Audio/Video Door Station Model IX-DF: a. Flush mount unit connects to a PoE network using CAT-5e/6 cable. The IX-DF will call up to 20 IX-MV masters or instances of the IX MOBILE. The door station features a stainless steel face plate, a form C contact for door release, a 600 ohm output for paging or an amplified speaker, call placed/answered indication, and a contact input. 3. RY-IP44 IP Programmable Relay Adaptor: a. With 4 contact inputs and 4 relay outputs (compatible with the IX Series). 4. Stainless Steel Enclosure Model SBX-ISDVF: a. 18-Guage stainless steel enclosure designed for surface mounting the IX-DF, IS-SS, IX-DF-HID, and IX-DF-RP10 door stations. PART 3 EXECUTION 3.1 EXAMINATION A. Adjust integrated security and communication system for proper operation in accordance with manufacturer's instructions. MASTER /3 Revised 01/30/18 5. Switch and info A. Examine areas to receive integrated security and communication system. B. Notify Architect of conditions that would adversely affect installation or subsequent use. C. Do not begin installation until unacceptable conditions are corrected. 3.2 PREPARATION A. Verify the following compliance before starting installation. 1. The unit turns inoperative during power failure. 2. Keep the intercom wires at least 1 foot (30 cm) away from strong electrical wiring (AC V) including, in particular, wiring for inverter electrical appliances. Noise and malfunction could result. 3. If a strong light shines on the main unit screen, the picture may turn white or only silhouettes will be visible. 4. Other manufacturer's devices (such as sensor, detectors, door releases) used with this system, comply with the manufacturer's installation requirements. 3.3 INSTALLATION A. Install integrated security and communication system in accordance with manufacturer's instructions at locations indicated on the Drawings. B. Mount equipment plumb, level, square, and secure. For video entrance stations and video door stations, comply with manufacturer's design requirements to provide optimum picture quality of station monitoring. 3.4 SET-UP AND ADJUSTING

12 SECTION PWCS IP NETWORK COMPATIBLE INTERCOM 3.5 DEMONSTRATION AND TRAINING A. Demonstration: 1. Demonstrate that integrated security and communication system functions properly. 2. Perform demonstration at final system inspection by qualified representative of manufacturer. B. Instruction and Training: 1. Provide instruction and training of Owner's personnel as required for operation of integrated security and communication system. 2. Provide hands-on demonstration of operation of system components and complete system, including user-level program changes and functions. 3. Provide instruction and training by qualified representative of manufacturer. 3.6 PROTECTION A. Protect installed integrated security and communication system from damage during construction. END OF SECTION MASTER /4 Revised 01/30/18

13 WS-C2960C-8PC-L Cisco 8 Port POE Switch Aiphone Door Entry Overall System Layout With Conductor Count Cat-6 Cat-6 Cat-6 Cat-6 Cat-6 IX-DF Video Door Station IX-MV Master Station IX-MV Master Station IX-MV Master Station 4 RY-IP44 Network Relay Adaptor Interior I Handica Switch Reveiver 4 Power Supply 2 Exterior 4 Handica,, I Wall Switch Located in same enclosure r-- I Access Control 4 5 Electric Latch Door Opener

14 ( ).....,.,...,, / V RY-IP44,,. ~ ' AQD3 Power Supply ~ v -.,,./ v v v v -...,. BE Bec11Yec l '1 I R \, For Interior Buttons C INO, ' All Items within cloud located within power supply enclosure. Access Control System < +1 Relay 1 NcTcl'No,, MC-25 Relay 2 NclcTNO + R300 For Exterior Button / /... ~~~~-Powered From Door... ~~~~-opener C INOI+ ''" '' ".~,... Automatic Door Opener.r Electric Latch Exit Device

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18 ADMIN 101 EPA-12 LB-71 LF LF-25 ACTIVITY ROOM HOFFMAN BOX ACTIVITY ROOM 1/8" = 1'-0" 1 HOFFMAN BOX ENTRANCE 1/8" = 1'-0" 1/30/ :07:16 AM PROVIDE SMALLER HOFFMAN BOX, SEE DRAWING LEGEND FOR DETAILS, INSTALL RECESSED IN THE WALL AT BUILDING ENTRANCE AS SHOWN, ACCOMODATE THE SPECIFIED SYSTEM DEVICES, SEE SYSTEM DRAWINGS. PROVIDE 24"x24"x12" HOFFMAN BOX FOR TRHE IRRIGATION CONTROLLER, SEE DRAWING LEGEND FOR DETAILS, INSTALL SURFACE ON THE ACTIVITY ROOM WALL AS SHOWN MONTGOMERY AVE SUITE 203 BETHESDA, MD MARSHALL ES RENOV & ADDITION KAHNS ROAD, MANASSAS, VA HOFFMAN BOXES SKECTH E /30/18